US2221861A
(en )
1940-11-19
Calculating machine
GB550978A
(en )
1943-02-03
Improvements in or relating to calculating or similar accounting machines
GB193870A
(enrdf_load_stackoverflow )
GB150735A
(enrdf_load_stackoverflow )
GB394322A
(enrdf_load_stackoverflow )
GB310053A
(enrdf_load_stackoverflow )
GB248002A
(enrdf_load_stackoverflow )
GB218688A
(en )
1925-03-17
Improvements relating to cash drawer and alarm mechanism for cash registers
US2027449A
(en )
1936-01-14
Calculating machine and cash
GB286314A
(enrdf_load_stackoverflow )
GB808692A
(enrdf_load_stackoverflow )
GB178083A
(enrdf_load_stackoverflow )
GB194315A
(enrdf_load_stackoverflow )
GB305579A
(enrdf_load_stackoverflow )
GB237351A
(en )
1925-07-27
Improvements in cash registers
GB215746A
(en )
1925-08-04
Improvements in cash registers and like machines
GB243734A
(enrdf_load_stackoverflow )
GB142436A
(en )
1921-02-03
Improvements in printing mechanism for cash registers
GB203761A
(enrdf_load_stackoverflow )
US3003686A
(en )
1961-10-10
Clear sign printing means for an accounting machine having true negative totalization
GB232966A
(enrdf_load_stackoverflow )
GB813083A
(en )
1959-05-06
Calculating machines or similar accounting machines
GB258513A
(enrdf_load_stackoverflow )
1926-09-23
GB193860A
(enrdf_load_stackoverflow )
GB193861A
(enrdf_load_stackoverflow )